iCLASS Credentials use contactless smart card technology to provide enhanced security and a 13.56 MHz read and write platform for increased speed. iCLASS Cards, Tokens, and Adhesive Tags have large amounts of memory to support applications such as access control, biotechnology, network log-on security, cashless vending, time and attendance, and automotive vehicle identification. The credentials are available in 2K bit (256 Bytes) or 16K bit (2K Bytes) configurations.